/Engine/Source/Editor/UnrealEd/Public/FbxImporter.h
Skins the control points of the given mesh or shape using either the default pose for skinning or the first frame of the default animation. The results are saved as the last X verts in the given FSkeletalMeshBinaryImport
void SkinControlPointsToPose ( [FSkeletalMeshImportData](API\Runtime\Engine\Rendering\FSkeletalMeshImportData) & ImportData, FbxMesh * Mesh, FbxShape * Shape, bool bUseT0 )